If you've played around with extensions, you should definitely consider making a paid one. The APIs you need to verify payment are pretty interesting. > Were t

If you've played around with extensions, you should definitely consider making a paid one. The APIs you need to verify payment are pretty interesting. > Were the existing free users grandfathered in? It seems like it from the weekly users. All user who had the extension installed when I made the switch were able to keep it for free. This was a little tricky for users who had installed, then uninstalled it. For those ones I just told them to email me for the developer version. > Can you have two pricing models for the same extension? You can't easily, but I did consider putting a lifetime version in the store as a separate extension.